by Lisa A. Grimaldi | March 23, 2012 screen shotFind the magic date and time that works with everyone's schedule with, an online scheduling tool. Instead of sending out multiple e-mails or meeting invites with just one option, Doodle lets you propose several date/times. Recipients respond with their availability via a nifty online poll. The basic version is free; a more advanced premium version also is available (contact the company for pricing information).